Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Ajou University Industry-academic Cooperation Foundation

Jin-hwan Park

Gue-sung Kim

Jun-young Mun

Yoon-sok Kang

Jae-gu Yoon

Myung-hoon Kim

Min-sik Park

Jun-ho Park

Byung-jin Choi

Seung-sik Hwang

Woo-Yong Lee

Mi-jeong Song

Jae-myung Lee

Jae-chan Park

Dong-min Im

Han-su Kim

Young-min Lee

Seok-gwang Doo

Hee-chul Jung

Seok-soo Lee

Jun-Ho Park

Kyung-ho Kim

Ji-soo Kim

Won-chang Choi

Myung-jin Jung

Yongnam Ham

Chan-sol Kim

Pil-sung Kang

Jin-soo Mun

Bong-jun Choi

Chae-won Yu

So-jeong Lee

Hyung-wook Ha

Kyung Ho Kim

Seung Jae Lee

Jin-Woo Kim

Dongmin Im

Tae-Sung Kim

Sang-Won Kim

Young-Gyoon Ryu

Jong-Jin Park

Young-min Choi

Myung-dong Cho

Steven Kaye

Jae-man Choi

Moon-seok Kwon

Sung-ho Park

David Keogh

Boris Aleksandrovich Trofimov

Dong-joon Lee

Tae-sang Park

Kyu-sung Park

Min-Chul Kim

Ki Hyun Choi

Wei Tong

Hyo Rang Kang

Han-Su Kim

In Hyuk Son

Jun Young Mun

Sun-Mi Yoo

Ji-young Jeong

Tae-ho Yoon

Nina K Gusarova

Kyu-Sang Lee

In-sun Jung

Kwang-su Kim

Chan Ho Pak

Sung-jin Ahn

Ji-Sang Yu

Min Gon Shin

Hyun-min Koo

Joon-song Park

Yeo-ju Song

Pyung-cheon Lee

Ji-ae Yun

Tae-Byoung Oh

Dae-Ho Lee

Kil-Won Cho

Meen-seon Paik

Tae-yeon Shin

Dai-kyu Kim

Jae-phil Cho

Hyo-jin Lee

Yoo-jung Kwon

Hyun Su Jang

Sagar Uttarwar

Yong Gil Song

Seung-mo Oh

Young-kyoung Park

Seung Yeun Jeong

Hwa-young Cho

An operating method of a host includes receiving a request for secure deletion of a first file stored in a storage system, providing an invalidation command to the storage system for invalidating data of the first file, providing an erase command to the storage system for erasing invalidated data included in the storage system, and performing a deletion operation, which is executable on an operating system of the host, on the first file which is deleted by the erase command.

Host and storage system for securely deleting files and operating method of the host

A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.

Composite cathode active material, method of preparing the composite cathode active material, and cathode and lithium battery each including the composite cathode active material

A storage device includes a non-volatile memory including a first block, a second block and a block management area that stores an initial data write time and a final data write time for each of the first block and the second block. The storage device also includes a memory controller that determines a creation time and a modification time for first data in response to a permanently delete command identifying the first data, selects at least one of the first block and the second block to be permanently deleted by comparing the initial data write time and the final data write time for each of the first block and the second block with the creation time and the modification time, and permanently deletes the selected at least one of the first block and the second block.

Memory system and storage device capable of permanently deleting data stored in a non-volatile memory

An anode active material for a lithium secondary battery, the anode active material including a metal silicide core, a silicon shell disposed on the core, and a metal nitride disposed on a surface of the silicon shell opposite the core.

Anode active material and a lithium secondary battery including the same

A cathode and a battery including a cathode active material including a layer-structured material having a composition of xLiMO-(1-x)LiMeO; and a metal oxide having a perovskite structure. The cathode active material may have improved structural stability by intermixing a metal oxide having a similar crystalline structure with the layer-structured material, and thus, life and capacity characteristics of a cathode and a lithium battery including the metal oxide may be improved.

Cathode and lithium battery using the same

A composite cathode active material including: a composite oxide capable of intercalation and deintercalation of lithium; a carbon nanostructure; and a material which is chemically inert to lithium.

Composite cathode active material, lithium battery including the same, and preparation method thereof

A composite cathode active material, a method of preparing the composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes a core including a lithium intercalatable oxide which enables intercalation and deintercalation of lithium; and a coating layer disposed on at least a portion of the core, wherein the conductive layer includes a lithium metal oxide which is an inactive lithium ion conductor, and wherein the lithium metal oxide contains a metal which has an atomic weight of 27 Daltons or more and is selected an element of Groups 3 to 14 of the Periodic Table of the Elements.

An electrode active material, a method of manufacturing the same, and an electrode and a lithium battery adopting the same. The electrode active material includes a core capable of occluding and emitting lithium; and a surface treatment layer formed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure.

Electrode active material, preparation method thereof, and electrode and lithium battery containing the same

A method of forming a carbon coating includes heat treating lithium transition metal composite oxide LiMM'NO, in an atmosphere of a gas mixture including carbon dioxide and compound CH[OH], wherein n is 1 to 20 and a is 0 or 1, or compound CH, wherein n is 2 to 6, wherein 0&#x2266;a&#x2266;1.6, 0&#x2266;b&#x2266;2, 0&#x2266;c&#x2266;2, 0&#x2266;d&#x2266;2, b, c, and d are not simultaneously equal to 0, e ranges from 1 to 4, M and M&#x2032; are different from each other and are selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, and Ba, and N is different from M and M&#x2032; and is selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, Ba, and a combination thereof, or selected from Ti, V, Si, B, F, S, and P, and at least one of the M, M&#x2032;, and N comprises Ni, Co, Mn, Mo, Cu, or Fe.

Methods of forming carbon coatings

An anode for a lithium secondary battery including: a composite anode active material including an anode active material, and a water-soluble polymer disposed on a surface of the anode active material; and a binder disposed on the composite anode active material, the binder including one or more selected from a polyimide, a polyamideimide, a polyamide, and a polyetherimide.

Anode containing composite anode active material including water-soluble polymer coating and lithium secondary battery including the same

A cathode active material including a lithium metal oxide composite having a first domain and a second domain and represented by Formula 1:[Li(M1)(M2)O]-(1&#x2212;)[LiMeO]&#x2003;&#x2003;Formula 1wherein

Cathode active material, cathode and lithium battery including cathode active material, and method of preparing the cathode active material

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Seoul, South Korea

Jin-hwan Park